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ASUS SABERTOOTH X58 2-33
Chapter 2
6. CPU, chassis, power, and NB fan connectors (4-pin CPU_FAN; 4-pin CHA_FAN1;
3-pin CHA_FAN2–3; 3-pin PWR_FAN; 3-pin NB_FAN)
Connect the fan cables to the fan connectors on the motherboard, ensuring that the
black wire of each cable matches the ground pin of the connector.
Do not forget to connect the fan cables to the fan connectors. Insufcient air ow inside the
system may damage the motherboard components. These are not jumpers! Do not place
jumper caps on the fan connectors!
• The CPU_FAN connector supports the CPU fan of maximum 2A (24 W) fan power.
• Only the CPU_FAN, CHA_FAN1 and CHA_FAN2 connectors support the ASUS Fan
Xpert feature.
• If you install two VGA cards, we recommend that you plug the rear chassis fan cable
to the motherboard connector labeled CHA_FAN1/2/3 for better thermal environment.
®
CPU_FAN
CHA_FAN1
SABERTOOTH X58 Fan connectors
A
D
C
A C
CHA_FAN3
Rotation
+12V
GND
Rotation
+12V
GND
E
NB_FAN
Rotation
+12V
GND
F
PWR_FAN
Rotation
+12V
GND
B
CHA_FAN2
D
CPU FAN PWM
CPU FAN IN
CPU FAN PWR
GND
+5V
CHA FAN IN
CHA FAN PWR
GND
B
E
F